Virulence Studies of Pasteurella Pestis Isolates from the Great Salt Lake Desert

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  • Ecology and Epizoology Research Laboratories, University of Utah, Salt Lake City and Dugway, Utah

Summary

Pasteurella pestis has been isolated from a pool of tissues from two Ord kangaroo rats, Dipodomys ordii celeripes, trapped in Tooele County, Utah, the second such isolation reported in the litera ture. Virulence studies on this strain and on a strain isolated from deer mice, Peromyscus maniculatus sonoriensis, trapped in the same general region two years earlier, showed the latter strain to be slightly more virulent than the kangaroo rat strain. Both strains were nearly avirulent for two species of kangaroo rats, D. ordii and D. microsp.

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